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Hardware Audio Engineer

Hardware Audio Engineer

Job ID 
570755
Location 
US-CA-Sunnyvale
Posted Date 
8/22/2017
Company 
A2Z Development Center, Inc.
Recruiting Team 
..

Job Description

Amazon Lab126 is an inventive research and development company that designs and engineers high-profile consumer electronics. Lab126 began in 2004 as a subsidiary of Amazon.com, Inc., originally creating the best-selling Kindle family of products. Since then, we have produced groundbreaking devices like Fire tablets, Fire TV and Amazon Echo. What will you help us create?

The Role:
As a Audio Engineer, you will be a part of a highly motivated and talented audio team on a mission to bringing the most innovative smart audio products to customers- from initial product concepts, prototyping, demonstration and manufacturing. This role is a big part of creating the best music listening and voice interaction experience to all customers of Amazon devices. In particular, you will:
  • Design innovative speaker and microphone array systems using state of art engineering tools and techniques
  • Collaborate with research scientists and software engineers to tune and optimize audio signal processing algorithms for music and speech processing
  • Design and source transducers, amplifiers, codecs and other sub-components for the system wide optimization
  • Follow through manufacturing process to ensure the highest build quality
  • Test and validate hardware/software quality issues pre and post production
  • Develop modeling and automated test tools
  • Lead design reviews and cross-functional meetings
  • Requires travel 10-20% of the time domestically and internationally

Basic Qualifications

  • Bachelor’s degree in Acoustics, Physics, EE, ME or related field
  • 5+ years of relevant experience in audio product development especially in high volume consumer electronics
  • Experienced with lumped acoustic modeling with commercial package or custom software
  • Knowledge of audio digital signal processing fundamentals - sampling, bit resolution, spectral analysis, transfer function calculations, filtering and convolution
  • Familiarity with analog filter and power amp design
  • Experienced with running FEM model of transducer or room acoustics using Comsol, Actran or similar packages
  • Experienced with writing Matlab or Python scripts for acoustic testing and data analysis
  • Experienced with acoustic measurement instruments - free field microphones, binaural manikins, mouth simulators etc.
  • Experienced with audio data acquisition and analysis systems such as Lab View, Audio Precision, SoundCheck etc.
  • Experienced in CAD in NX , SolidWorks or similar
  • Understanding of analog/digital MEMS microphone specs - SNR, AOP, sensitivity etc

Preferred Qualifications

  • Master's or PhD in the relevant field
  • Track record of inventing new acoustic design for speakers, headphones or microphone array applications
Lab126 is part of the Amazon.com, Inc. group of companies and is an Equal Opportunity-Affirmative Action Employer – Minority / Female / Disability / Veteran / Gender Identity / Sexual Orientation.
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